Last updated: June 18, 2026·🔄 Guide reviewed and refreshed ahead of Halloween 2026.· By Seckin Peker

Halloween Costume Guide

Cersei Lannister from Game of Thrones Halloween Costume Guide

She played the game of thrones for eight seasons. She won everything except the parts that mattered.
Lena Headey Badass Women Blonde Women Crown HBO Medieval Queen Royalty Villain
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Quick Answer: The Cersei Lannister Halloween costume comes in two looks. The Red Dress is the party-ready version. The Lion Queen is for anyone who wants the full armor-gown queen build.
  • Red Medieval Dress or Lion Queen Costume (essential)
  • Lion Necklace (essential)
  • Cersei Wig or Short Straight Wig
  • Baroque Crown (Lion Queen look)
  • Lion Wine Glass Prop

Cersei Lannister is Queen Regent, then Queen Regnant, then the last person to sit on the Iron Throne before it is melted down. She spends eight seasons protecting her children, most of whom die because of her decisions, and accumulating power she then uses to blow up a cathedral full of people. The lion jewelry is the costume’s identifier in both looks, and the wine glass is the character prop that requires no explanation (Wikipedia).

Total Items15 Items
Looks2 Outfits
DifficultyEasy to Moderate
VibeQueen of Westeros

Cersei Lannister Red Dress Halloween Costume Items

Cersei Lannister red dress Halloween costume infographic showing red medieval gown, Cersei wig, lion necklace, lion ring, wine glass, and ankle boots

Red Dress Look Items

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Cersei Lannister Game of Thrones Red Dress House Lannister
  • 1 Red Medieval Dress (essential)The Lannister red is Cersei’s house color and the most recognizable part of her early seasons look. Aim for a deep crimson rather than bright red. A dress that is too short or too casual in cut loses the queen’s court silhouette. Check the length before ordering.
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  • 2 Cersei WigOnly needed if your natural hair is not already long and blonde. The lion necklace carries more recognition weight at a distance than the hair color. If you do use the wig, secure it with wig tape at the front hairline before the event.
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  • 3 Lion Necklace (essential)The Lannister lion at the collarbone is the detail that places you as Cersei rather than anyone else in a red gown at a costume party. Check that the clasp is secure before the event. A pendant that has migrated to the side seam is not confirming the character for anyone.
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  • 4 Lion RingA small additional lion detail that accumulates with the necklace to confirm House Lannister. Check your own jewelry collection for any gold ring before buying.
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  • 5 Lion Wine GlassThe most functional prop in either build. Cersei holds a wine glass in the majority of her scenes, across all eight seasons, in multiple political crises. Carrying one all evening is both in character and immediately legible to anyone who watched the show. Also useful in a practical sense.
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  • 6 Cersei Vinyl FigureNot a costume item. Works as a prop for photos or as a display piece alongside the costume.
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  • 7 Side Zip Ankle BootsCheck your own wardrobe before buying. Any clean dark ankle boot works under a floor-length gown. Nobody at the party is looking at your feet if the dress and lion necklace are right.
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Cersei Lannister Lion Queen Halloween Costume Items

Cersei Lannister Lion Queen Halloween costume infographic showing structured black gown, baroque crown, short wig, lion necklace, onyx ring, Victorian boots, and Funko Pop prop

Lion Queen Look Items

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Cersei Lannister Game of Thrones Queen Regnant Season 7
  • 8 Lion Queen Costume (essential)The structured black gown build that represents Cersei as Queen Regnant in Seasons 7 and 8, after she has dropped the red and moved into military-styled velvet and leather. This is the darker, more formidable version of the character. Check the shoulder structure before the event. Structured costume gowns need to sit level at the collar to look intentional.
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  • 9 Lion NecklaceThe same identifier as the red dress build. Place it visible at the neckline above the collar of the queen costume rather than hidden inside it.
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  • 10 Vintage Onyx RingA darker ring for the darker build. The heavy vintage styling fits the militaristic aesthetic of the later seasons Cersei.
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  • 11 Lion Wine GlassStill in character. Cersei’s wine intake does not decrease when she becomes Queen Regnant. If anything, the reverse.
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  • 12 Short Straight Wig (essential for this look)After the Walk of Atonement in Season 5, Cersei’s long hair is cut short and she keeps it that way for the rest of the series. The short platinum pixie cut is as much a part of her later visual identity as the structured gown. Without it, the Lion Queen build loses its specific season-accuracy.
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  • 13 Baroque Crown (essential for this look)After her coronation in Season 6, Cersei wears a crown. It is the detail that distinguishes Queen Regnant from Queen Consort for this build. Make sure it sits level and is secured to the wig or your own hair before the event. A crown that lists to one side all evening is not giving the right impression.
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  • 14 Victorian BootStructured dark boots that fit the heavier, more formal aesthetic of the later seasons build. Check your wardrobe before buying.
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  • 15 Cersei Sitting on Iron Throne Funko PopNot a costume item. A prop for photos that includes both the character and the throne, which is the most thematically appropriate prop for either build.
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Cersei Lannister in Game of Thrones wearing her red Lannister gown and lion accessories as a Halloween costume styling reference

How to Style the Cersei Lannister Halloween Costume

For the Red Dress look, the lion necklace is doing the most recognition work at a distance. Without it, this is a woman in a red gown. With it, Game of Thrones viewers will place the character before you have to say a word. For the Lion Queen look, the crown needs to sit level throughout the evening. A baroque crown that has shifted forward by the second hour reads as an accessory problem rather than a character choice. Secure it to the wig with pins before leaving the house.

When Lancel arrives at the Red Keep to escort Cersei to the High Sparrow, he tells her that if she does not come peacefully there will be violence. She considers this for a moment and says: “I choose violence.” The Mountain then removes a man’s head from his body. Cersei watches this with the same expression she uses when she is deciding what to have for dinner. That is the entire character in one scene.

The wine glass is the most useful prop you will bring

Cersei is almost never without a wine glass on screen. Carrying one throughout the evening in character is accurate, immediately readable to Game of Thrones viewers, and gives you something to do with your hands at a party. The lion wine glass from items 5 and 11 makes it character-specific. If someone asks what you are drinking, the correct Cersei answer is to look at them calmly and not explain yourself.

Secure the crown before you put the wig on, not after

For the Lion Queen build, the order matters. Position the short wig on your head, then secure the crown with hair pins through the crown’s base into the wig and your own pinned hair beneath it. Attaching the crown after the wig is already on your head means pins go only into the wig fibres and the whole thing shifts as one unit when you move. Doing it in the right order takes an extra two minutes and removes the problem entirely for the rest of the night.

Cersei Lannister Group Halloween Costume Ideas

Couples Idea

Cersei Lannister & Jaime Lannister

Excellent couple concept with maximum dramatic commitment required. This is the most controversial relationship in a show full of controversial relationships, and every Game of Thrones viewer will recognize the pairing the moment they see Lannister armor standing next to a red queen’s gown. The visual contrast is strong and reads clearly. At a party where people ask how you know each other, the correct answer is “we grew up together.”

Cersei Lannister Jaime Lannister

Duo Idea

Cersei Lannister & Septa Unella

Strong duo with one of the most specific power dynamics in the show. Septa Unella spends Cersei’s entire imprisonment ringing a bell and saying “shame.” Cersei spends Season 6 planning her revenge. The duo has a clear before and after: at the start of the evening, Septa Unella has the bell. By the end, Cersei has reclaimed it. The role reversal is the whole joke, and anyone who watched Season 5 and 6 will get it immediately.

Cersei Lannister Septa Unella

Group Idea: Game of Thrones Queens

Cersei, Margaery, Daenerys, Sansa, Ellaria, Myrcella

Strong group for a Game of Thrones crowd. Six women from the show, each with a visually distinct look and a specific relationship to power. Cersei tried to destroy most of them at one point. The group photograph writes its own caption. Every character here has a dedicated CostumeRealm guide, which makes sourcing straightforward across the full group.

Cersei Lannister Margaery Tyrell Daenerys Targaryen Sansa Stark Ellaria Sand Myrcella Baratheon

Group Idea: TV Villainesses and Power Women

Cersei, Maleficent, Evil Queen, Agatha Harkness, Villanelle, Mother Miranda, Yzma

Might work, but seven people is a large group to coordinate, and the visual range across these characters is enormous. Maleficent is horns and black wings. Yzma is purple and extravagant. Villanelle is whatever she decided to wear that day. Cersei in a red medieval gown or structured black armor will look like she arrived from a different genre. The concept holds as “women who got things done by any means necessary,” which most party crowds will understand. The execution requires everyone to commit to the theme early and not decide on their costumes the day before.

Cersei Lannister Maleficent Evil Queen Agatha Harkness Villanelle Mother Miranda Yzma
Cersei and Jaime Lannister in Game of Thrones showing the couples costume dynamic for Halloween planning

Cersei Lannister Halloween Costume DIY Tips

Building the Look

The Red Dress build is one of the more thrift-friendly options in the Game of Thrones lineup. The Lion Queen build requires more specific purchases. In either case, the lion jewelry is worth buying rather than improvising.

  • Red medieval dress: thrift stores carry formal dresses in deep red regularly. Check before buying new. The color and cut matter more than the brand.
  • Lion necklace: buy this for either build. A substitute rarely reads as clearly at party distance and it is inexpensive. This is the item that confirms House Lannister.
  • Lion ring: check your own jewelry first. Any substantial gold ring works.
  • Wine glass: you own one. Use it. The lion wine glass from the list is a nice touch but any glass held with Cersei’s specific calm authority does the job.
  • Cersei wig: only needed if your hair is not already long and blonde. The necklace carries more recognition than the hair color.
  • Lion Queen costume: worth buying for the later seasons look. The structured military-gown silhouette is difficult to assemble convincingly from separate pieces.
  • Short straight wig: essential for the Lion Queen build. The pixie cut after the Walk of Atonement is a defining visual element of post-Season 5 Cersei.
  • Baroque crown: buy this for the Lion Queen build. It completes the Queen Regnant read and is the item that separates queen from court lady.
  • Ankle boots or Victorian boots: check your wardrobe first.

Playing Cersei at the Party

Cersei’s default register is calm authority delivered with minimum expression. She does not raise her voice when things go wrong. She gets quieter. That is usually when she is planning something that will happen in three episodes.

  • When someone asks what you want: “Everything that was taken from me.” Do not elaborate.
  • Her two best lines are both short and delivered without drama. “Everyone who isn’t us is an enemy” was advice she gave her son. “I choose violence” was a response to a formal request. Use both sparingly.
  • The wine glass is your most important prop. Hold it at all times. Refill it when needed. Never explain the glass.
  • She taught herself that the more people you love, the weaker you are. She is not wrong. She is also demonstrably not happy. Do not point this out in character.
  • Lena Headey played her as having the mind of a wayward fifteen-year-old who never received proper parenting. That specific detail is useful if someone wants to discuss the character in depth.
  • If someone is going as Jaime, the dynamic is self-explanatory. If someone is going as Tyrion, look at them with mild contempt and then pour yourself more wine.

Cersei Lannister Halloween Costume: FAQ

Two looks to choose from. For the Red Dress build, the medieval red dress is the base with the lion necklace as the essential identifier. Add the Cersei wig, lion ring, and side zip ankle boots. For the Lion Queen build, the full costume set is the base with the baroque crown and short straight wig as essential items. Add the lion necklace, vintage onyx ring, and Victorian boots. The wine glass prop works across both builds and is the single most character-specific item you can carry.

Yes, and it is one of the stronger villain builds in the Game of Thrones lineup. Cersei appears across all eight seasons and Lena Headey’s portrayal is immediately recognizable. The lion jewelry and either the red gown or structured black costume read clearly to anyone who watched the show, which describes a significant portion of any general Halloween party.

Two lines define her. To her son Joffrey as a lesson in ruling: “Everyone who isn’t us is an enemy.” And to Lancel, when the Faith Militant arrives at the Red Keep and tells her there will be violence if she refuses to come: “I choose violence.” She says the second one with complete calm. The Mountain then tears a man’s head off. She watches with no particular expression.

Cersei Lannister is played by Lena Headey across all eight seasons of Game of Thrones on HBO (IMDb). Headey has said in interviews that she played Cersei as having the mind of a wayward fifteen-year-old who never had proper parenting, which makes a disturbing amount of sense once you hear it.

Cersei died with Jaime in the collapsing cellars of the Red Keep during the Battle of King’s Landing in Season 8. She spent most of the battle watching Daenerys destroy the city from a window, unable to accept that her plans had failed. When the tunnels came down, there was no way out. She was the last person to sit on the Iron Throne. Tyrion found their bodies in the rubble afterward.

The Red Dress build is more comfortable to wear all evening and the Lannister red reads clearly in a crowded room. The Lion Queen build is more dramatic and the crown photographs well, but the structured gown is warmer to wear and the short wig requires more securing. If comfort and quick recognition matter most, go red. If you want the full Queen Regnant look from the later seasons, go Lion Queen.

The Walk of Atonement is the punishment Cersei endures in Season 5 after confessing to the High Sparrow. She is stripped, her long blonde hair is cut short, and she is forced to walk naked through the streets of King’s Landing while an angry crowd hurls filth and insults, escorted by Septa Unella ringing a bell and chanting “shame.” She arrives at the Red Keep with bloody feet and no expression. She then spends the following season planning the wildfire explosion that kills the High Sparrow, the Tyrells, and everyone else in the Great Sept of Baelor.

What did Cersei use to destroy the Great Sept of Baelor in Season 6?

Why did Cersei’s hair become short in Seasons 6 through 8?

What lesson did Cersei tell her son Joffrey about enemies?